TY - JOUR AU - Cui, Jingan AU - Guo, Mingna TI - Permanence in logistic and Lotka-Volterra systems with dispersal and time delays JO - Electronic Journal of Differential Equations PY - 2005 VL - 2005 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a163/ LA - en ID - EJDE_2005__2005__a163 ER -